/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.juli.logging;

/**
 * <p>An exception that is thrown only if a suitable <code>LogFactory</code>
 * or <code>Log</code> instance cannot be created by the corresponding
 * factory methods.</p>
 *
 * @author Craig R. McClanahan
 */
public class LogConfigurationException extends RuntimeException {

	private static final long serialVersionUID = 1L;
	/**
	 * The underlying cause of this exception.
	 */
	protected Throwable cause = null;

	/**
	 * Construct a new exception with <code>null</code> as its detail message.
	 */
	public LogConfigurationException() {
		super();
	}

	/**
	 * Construct a new exception with the specified detail message.
	 *
	 * @param message The detail message
	 */
	public LogConfigurationException(String message) {
		super(message);
	}

	/**
	 * Construct a new exception with the specified cause and a derived
	 * detail message.
	 *
	 * @param cause The underlying cause
	 */
	public LogConfigurationException(Throwable cause) {
		this(((cause == null) ? null : cause.toString()), cause);
	}

	/**
	 * Construct a new exception with the specified detail message and cause.
	 *
	 * @param message The detail message
	 * @param cause   The underlying cause
	 */
	public LogConfigurationException(String message, Throwable cause) {

		super(message);
		this.cause = cause; // Two-argument version requires JDK 1.4 or later

	}

	/**
	 * Return the underlying cause of this exception (if any).
	 */
	@Override
	public Throwable getCause() {

		return (this.cause);

	}


}
